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    <center>Scilab Function</center>
    <div align="right">Last update : 01/02/2006</div>
    <p>
      <b>xtitle</b> - add titles on a graphics
  window</p>
    <h3>
      <font color="blue">Calling Sequence</font>
    </h3>
    <dl>
      <dd>
        <tt>xtitle(title,[x_label,[y_label,[z_label]]],&lt;opts_args&gt;)</tt>
      </dd>
    </dl>
    <h3>
      <font color="blue">Parameters</font>
    </h3>
    <ul>
      <li>
        <tt>
          <b>title,x_label,y_label, z_label</b>
        </tt>: matrices of strings.</li>
      <li>
        <tt>
          <b>&lt;opt_args&gt;</b>
        </tt>: a sequence of statements <tt>
          <b>key1=value1,
          key2=value2</b>
        </tt>, ... where keys may be <tt>
          <b>boxed</b>
        </tt> (see
          below). In this case, the order has no special meaning.</li>
      <li>
        <tt>
          <b>boxed</b>
        </tt>: an integer value. If it is 1, a box is drawn around each
          title.</li>
    </ul>
    <h3>
      <font color="blue">Description</font>
    </h3>
    <p>
      <tt>
        <b>xtitle</b>
      </tt> add titles on a 2D or 3D plot. <tt>
        <b>title</b>
      </tt>
    is the general title and <b>x_label</b>, <b>y_label</b> and
    <b>z_label</b> are the titles on the three axis. If the arguments are
    matrices, each line of the matrices is displayed on a different line.</p>
    <p>Enter the command <tt>
        <b>xtitle()</b>
      </tt> to see a demo.</p>
    <h3>
      <font color="blue">Examples</font>
    </h3>
    <pre>// draw a surface
plot3d() ;
// puts the titles
xtitle( 'My surface is blue', 'X axis', 'Y axis', 'Z axis' ) ;
// draw a box around the titles
xtitle( 'My surface is blue', 'X axis', 'Y axis', 'Z axis', boxed = 1 ) ;</pre>
    <h3>
      <font color="blue">See Also</font>
    </h3>
    <p>
      <a href="titlepage.htm">
        <tt>
          <b>titlepage</b>
        </tt>
      </a>
      <a href="label_properties.htm">
        <tt>
          <b>label_properties</b>
        </tt>
      </a>,&nbsp;&nbsp;</p>
    <h3>
      <font color="blue">Author</font>
    </h3>
    <p>J.Ph.C.</p>
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